}
// @Test
public void testCancelSortMatchPriorToFirstRecordReading() throws Exception {
GenericDataSource<InfiniteIntegerInputFormat> source1 =
new GenericDataSource<InfiniteIntegerInputFormat>(new InfiniteIntegerInputFormat(), "Source 1");
GenericDataSource<InfiniteIntegerInputFormat> source2 =
new GenericDataSource<InfiniteIntegerInputFormat>(new InfiniteIntegerInputFormat(), "Source 2");
JoinOperator matcher = JoinOperator.builder(StuckInOpenMatcher.class, IntValue.class, 0, 0)
.input1(source1)
.input2(source2)
.name("Stuc-In-Open Match")